I am that shattered heart and blazing chest, whose sorrow you hear every night in the lover's alleyway.

This profound couplet is a masterpiece of self-realization in love. The poet, Mir Taqi Mir, is telling the beloved that the deep melancholy or sighs (फ़ुग़ाँ) that the beloved hears coming from their own lane every night... that pain, that burning heart and chest, belongs to the poet himself. It's a powerful admission of devotion, suggesting that the lover's suffering is so visible that it becomes part of the beloved's nightly landscape.